[INFO] cloning repository https://github.com/Jeremiah-Griffin/linear_collections [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jeremiah-Griffin/linear_collections" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeremiah-Griffin%2Flinear_collections", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeremiah-Griffin%2Flinear_collections'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 689381f317fae861c61c2213bc83fa9afce26c3f [INFO] checking Jeremiah-Griffin/linear_collections against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJeremiah-Griffin%2Flinear_collections" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] removed /workspace/builds/worker-4-tc2/source/.cargo/config.toml [INFO] started tweaking git repo https://github.com/Jeremiah-Griffin/linear_collections [INFO] finished tweaking git repo https://github.com/Jeremiah-Griffin/linear_collections [INFO] tweaked toml for git repo https://github.com/Jeremiah-Griffin/linear_collections written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Jeremiah-Griffin/linear_collections on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Jeremiah-Griffin/linear_collections already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c102fe0a4ecbf959d456d5ba5d1ec4e756f70ac7229c37429337aee2e319a52f [INFO] running `Command { std: "docker" "start" "-a" "c102fe0a4ecbf959d456d5ba5d1ec4e756f70ac7229c37429337aee2e319a52f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c102fe0a4ecbf959d456d5ba5d1ec4e756f70ac7229c37429337aee2e319a52f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c102fe0a4ecbf959d456d5ba5d1ec4e756f70ac7229c37429337aee2e319a52f", kill_on_drop: false }` [INFO] [stdout] c102fe0a4ecbf959d456d5ba5d1ec4e756f70ac7229c37429337aee2e319a52f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3c2682d938f681282e1480f5588a1d9320643034396c157aa610bac11f371d2b [INFO] running `Command { std: "docker" "start" "-a" "3c2682d938f681282e1480f5588a1d9320643034396c157aa610bac11f371d2b", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling unicode-ident v1.0.18 [INFO] [stderr] Checking hashbrown v0.15.3 [INFO] [stderr] Checking winnow v0.7.10 [INFO] [stderr] Compiling target-triple v0.1.4 [INFO] [stderr] Compiling serde_json v1.0.140 [INFO] [stderr] Checking toml_write v0.1.1 [INFO] [stderr] Compiling anyhow v1.0.98 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Compiling kani-verifier v0.62.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking home v0.5.11 [INFO] [stderr] Checking glob v0.3.2 [INFO] [stderr] Checking linear_collections v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes [INFO] [stdout] --> src/lib.rs:11:12 [INFO] [stdout] | [INFO] [stdout] 11 | #![feature(generic_const_exprs)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #76560 for more information [INFO] [stdout] = note: `#[warn(incomplete_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking os_info v3.11.0 [INFO] [stdout] error: struct `InfallibleMapWindow` is never constructed [INFO] [stdout] --> src/lib.rs:260:12 [INFO] [stdout] | [INFO] [stdout] 260 | pub struct InfallibleMapWindow< [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it [INFO] [stdout] = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `linear_collections` (lib) due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "3c2682d938f681282e1480f5588a1d9320643034396c157aa610bac11f371d2b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3c2682d938f681282e1480f5588a1d9320643034396c157aa610bac11f371d2b", kill_on_drop: false }` [INFO] [stdout] 3c2682d938f681282e1480f5588a1d9320643034396c157aa610bac11f371d2b